build(deps): bump rtic from 2.1.1 to 2.1.2

Bumps [rtic](https://github.com/rtic-rs/rtic) from 2.1.1 to 2.1.2.
- [Commits](https://github.com/rtic-rs/rtic/commits)

---
updated-dependencies:
- dependency-name: rtic
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>